import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import qs from 'querystring'

export const BASE_URL = dict.BASE_API
// console.log(process.env.VUE_APP_BASE_API)
console.log(dict.BASE_API)
// create an axios instance
const service = axios.create({
  // baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  baseURL: BASE_URL,
  withCredentials: true, // send cookies when cross-domain requests
  timeout: 15000, // request timeout
  transformRequest: [
    (oldData, config) => {
      if (!config['Content-Type']) {
        config['Content-Type'] = 'application/json'
        return JSON.stringify(oldData)
      }
      switch (config['Content-Type']) {
        case 'multipart/form-data':
          return oldData
        case 'application/json':
          return JSON.stringify(oldData)
        default:
          return qs.stringify(oldData)
      }
    }
  ]
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['Token'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
   */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    // if the custom code is not 20000, it is judged as an error.
    if (res.code !== 10000) {
      Message({
        message: res.data || 'Error',
        type: 'error',
        duration: 2 * 1000
      })
      if (res.code === 40001) {
        // to re-login
        MessageBox.confirm('登陆验证已过期请重新登录', '校验失败', {
          confirmButtonText: '重新登陆',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          store.dispatch('user/resetToken').then(() => {
            location.reload()
          })
        })
      }
      return Promise.reject(new Error(res.message || 'Error'))
    } else {
      return res
    }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 2 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
